James Leon Ostaszewski
Claim this profileJames Leon Ostaszewski is a lawyer licensed in New York under New York State Unified Court System registration number 4852851. According to New York State Unified Court System records, the license status of James Leon Ostaszewski is Active, with admission in 2010. James Leon Ostaszewski has an address of record in Brooklyn, Kings, New York, with New York State Senate. This page is a directory listing by ALCBar Lawyer Directory; it is not an endorsement or a referral.
License
- License jurisdiction
- New York
- Licensing authority
- New York State Unified Court System
- Registration number
- 4852851
- License status
- Active, according to New York State Unified Court System records (official registration data). Look up registration number 4852851 in the New York State Unified Court System attorney search
- Admitted
- 2010
- Status last verified
- Not yet verified by ALCBar. The status was taken from the NYS Unified Court System's official attorney registration data on data.ny.gov (dataset last updated October 10, 2026) and has not been re-checked against that dataset since.
Firm and location
- Firm or employer
- New York State Senate
- Address of record
- 906 Broadway Fl 2
- City
- Brooklyn
- County
- Kings
- Office state or country
- New York
- ZIP code
- 11206-5901
Contact details
- Phone
- (914) 319-0580
- Fax
- Not stated in the source
- Not stated in the source
- Website
- Not stated in the source
Practice areas
No practice areas are listed for James Leon Ostaszewski. This means the information is not available, not that James Leon Ostaszewski does not practice in any area.
Documented matter experience
ALCBar has no reviewed matter records for James Leon Ostaszewski. This means the information is not available, not that James Leon Ostaszewski lacks experience.
Sources and verification
| Information | Source | Status |
|---|---|---|
| Name, bar number, license status, admission date | New York State Unified Court System attorney registration data | Copy of the public record; not re-checked by ALCBar since it was copied |
| Firm, address, phone, fax, email, website | Directory copy of New York State Unified Court System records | Not confirmed by James Leon Ostaszewski; email delivery not tested |
| Practice areas | Directory source file (origin not confirmed) | Not confirmed |
| Information confirmed by the attorney | Profile claim | None. This profile has not been claimed. |
| Independently reviewed information | ALCBar review | None |
Directory listing last updated 2026-10-12. If anything here differs from the New York State Unified Court System record, the New York State Unified Court System record is the authority.
This listing comes from public licensing records. It is not an endorsement, a referral, or a statement about the skills of James Leon Ostaszewski. ALCBar does not receive payment for this listing.